Honeybees possess one of the most complex examples of nonhuman communication. New research suggests that it is learned and culturally passed down from older to younger bees.
Using urine and signature whistles from other dolphins, a team of scientists has shown that dolphins use signature whistles like names and hold mental representations of other dolphins in their minds.
For humans, there is a link between the development of language and cognitive skills. Studying the same process in dogs can be used to determine their capabilities at the puppy stage.